noun (used with a singular verb)
the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.
What’s Nuclear About A Football?Whose nuclear launch button is bigger? There has been a serious kerfuffle in the news about buttons and their relative size. Specifically, nuclear launch buttons. Kim Jong-un, the leader of North Korea, flatly stated that a nuclear button is on his desk at all times. “It’s not a mere threat but a reality that I have a nuclear button on the desk in my office.” …
Q.E.D.Read more in this article about some frequently asked questions and fun facts related to our definitions.
- nuclear magneton,
- nuclear medicine,
- nuclear membrane,
- nuclear ophthalmoplegia,
- nuclear option,
- nuclear pore,
- nuclear power,
- nuclear radiation,
- nuclear reaction,
- nuclear reactor
Origin of nuclear physics
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(functioning as singular) the branch of physics concerned with the structure and behaviour of the nucleus and the particles of which it consists
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The scientific study of the structure and behavior atomic nuclei. See also neutron proton strong force.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.